We are offering toroidal transformer.Standard toroidal transformers are widely used in automation system, instruments, medical equipment, traffic control system, audio devices, safety devices and new energy inverting system, it is featured with advantage such as less weight, hight efficiency, low temperature rise, high reliability than conventional transformer. inbest toroidal transformers are designed and manufactured according to en 61558-1, en61558-2-4, en61558-2-6, ul60601, u506. Insulation class: ta 40c class b 130c, class f 155c, class h 180c, with full protection including static shield, magnetic shield, thermal switch, ntc and soft starter circuit. Brief specification power range: 50va -1000va input: on request output: on request insulation class: ul class b. F. H. N.(optional) isolation: 4kv (hi-pot) customized design are always welcome